2-6
Checks and Preparation
2.5
Connecting the Signal Input Cables
This section describes how to connect the signal input cables.
Terminal Configuration and Signal Types
CAUTION
The screw type terminal and the BNC connector of the
same channel are connected to each other.
Do not input signals to the screw type terminal and the
BNC connector of the same channel at the same time.
Doing so may cause damage to the measured device.
Connection diagram
CAUTION
Make sure that the GL900 is not pulled by signal input cables when you connect them. The GL900
may fall down if it is pulled.
+ ......................................... High-voltage terminal (terminal for high-voltage input signals)
– .......................................... Low-voltage terminal (terminal for low-voltage input signals)
Screw type terminal
The screw type terminal and the BNC connector are internally connected. Data entered to either of them can be measured.
BNC connector
CH8............................................CH1
高電位入力端子
低電位入力端子
BNC connector
GL900
Screw type
terminals
Item Description
Input configuration Isolated input
Analog voltage 20, 50, 100, 200, 500 mV/F.S.; 1, 2, 5, 10, 20, 50, 100, 200, 500V/F.S.; 1-5V
Thermocouples K, J, E, T, R, S, B, N, W (WRe 5-26)
A/D resolution 16-bit
Filter Off, Line, 5, 50, 500Hz
Direct voltage input
Direct voltage Direct current
Shunt resistor
Example: If 4-20 mA is used, connect
a 250 Ω (±0.1%) resistor and measure
it in the 1-5 V range.
Compensation
copper wire
Thermocouple input Direct current input
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